# Troubleshooting General App Issues

> For the complete documentation index, see [llms.txt](/llms.txt).

If the Passes app is freezing, crashing, not loading, failing to send messages, or notifications are not working, try these steps first.

## Basic troubleshooting

1. Force-close and reopen the Passes app.
2. Switch networks. Try Wi-Fi if you are on mobile data, or mobile data if you are on Wi-Fi.
3. Update the Passes app from the App Store or Google Play.
4. Update your device operating system if an update is available.
5. Restart your device.
6. If the issue continues, uninstall and reinstall the Passes app.

## Clear cache

For Android:

1. Open your device Settings.
2. Go to Apps > Passes > Storage.
3. Select Clear Cache.

For iOS:

1. Open Settings.
2. Go to General > iPhone Storage > Passes.
3. Select Offload App.
4. Reinstall Passes.

## Notification issues

If notifications are not working:

1. Open your device Settings.
2. Go to Notifications.
3. Make sure notifications are enabled for Passes.
4. In Passes, check that the notification types you want are enabled.

## If the issue continues

Please share:

- Device model
- Operating system version
- Passes app version
- Screenshot or screen recording of the issue
- The steps that caused the issue
- Any error message you see